Loans and Allowance - Subsequent Default (Details) (Nonimpaired Loans, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 loan	Mar. 31, 2013 loan
Financing Receivable, Impaired [Line Items]
Number of Loans	2	3
Recorded Balance	$ 203	$ 282
Commercial and industrial loans
Financing Receivable, Impaired [Line Items]
Number of Loans	1	1
Recorded Balance	146	5
Real estate loans - Commercial and farm land
Financing Receivable, Impaired [Line Items]
Number of Loans		1
Recorded Balance		230
Real estate loans - Residential
Financing Receivable, Impaired [Line Items]
Number of Loans	1	1
Recorded Balance	$ 57	$ 47